Equivalents in Perl and Python

Adapted from Equivalents in Perl and Python

This is a list of equivalents in Perl and Python. The cross, ×, means that there is no equivalent function in the other language.

pack

.pack

chomp

.rstrip ('\n')

uc

.upper ()

lc

.lower ()

ucfirst

.capitalize

sprintf

%

qw

×

"

×

'

", '

s

.replace

substr

[:]

split

.split

here document

×

.

+

if

if

elsif

elif

else

else

unless

×

while

while

foreach, for

for

die

raise

next

continue

last

break

next label

×

last label

×

say

print

open

.open

STDIN

sys.stdin

STDOUT

sys.stdout

`command`

os.popen ('command').read ()

use Module 'function';

from module import function

new

__init__

package stuff

class stuff

push @ISA, parent;
use parent parent;

class stuff (parent)

print FH stuff

fh.write (stuff)

List::MoreUtils::zip

zip

List::Util::max

max

List::Util::min

min

pop

.pop

0..9

range (10)

map

map

push

+=, .append

×

.title

join

.join

sort

.sort

scalar (@A)

len (A)

grep

filter

x

*

return

return

sub name

def name

sub

lambda

use strict

×

use warnings

×

my

×

our

global

;

pass

delete

del

eval { };

try

×

assert

×

getattr

sprintf "%X"

hex

id

?

globals

hex

int (x, base=16)

?

yield

×

round

?

slice

ref

type

chr

unichr

cmp

cmp

<=>

×

×

divmod

use utf8;

×

$x = undef

x = None

×

True

×

False

**

**

?

rjust ()

keys

.keys ()

values

.values ()

×

str

goto

×

×

__repr__

use Cwd;
print getcwd ();

import os
print os.getcwd()

qr

re.compile

/m

re.findall

/x

re.VERBOSE, re.X

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• Perl Phrasebook

  A list of examples from a book called the "Perl Data Structures Cookbook" translated from Perl to Python.

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Bulletin:

Vol 25, No.12 (December, 2013) Rational Fools vs. Efficient Crooks The efficient markets hypothesis : Political Skeptic Bulletin, 2013 : Unemployment Bulletin, 2010 :  Vol 23, No.10 (October, 2011) An observation about corporate security departments : Slightly Skeptical Euromaydan Chronicles, June 2014 : Greenspan legacy bulletin, 2008 : Vol 25, No.10 (October, 2013) Cryptolocker Trojan (Win32/Crilock.A) : Vol 25, No.08 (August, 2013) Cloud providers as intelligence collection hubs : Financial Humor Bulletin, 2010 : Inequality Bulletin, 2009 : Financial Humor Bulletin, 2008 : Copyleft Problems Bulletin, 2004 : Financial Humor Bulletin, 2011 : Energy Bulletin, 2010 : Malware Protection Bulletin, 2010 : Vol 26, No.1 (January, 2013) Object-Oriented Cult : Political Skeptic Bulletin, 2011 : Vol 23, No.11 (November, 2011) Softpanorama classification of sysadmin horror stories : Vol 25, No.05 (May, 2013) Corporate bullshit as a communication method  : Vol 25, No.06 (June, 2013) A Note on the Relationship of Brooks Law and Conway Law

History:

Fifty glorious years (1950-2000): the triumph of the US computer engineering : Donald Knuth : TAoCP and its Influence of Computer Science : Richard Stallman : Linus Torvalds  : Larry Wall  : John K. Ousterhout : CTSS : Multix OS Unix History : Unix shell history : VI editor : History of pipes concept : Solaris : MS DOS :  Programming Languages History : PL/1 : Simula 67 : C : History of GCC development :  Scripting Languages : Perl history   : OS History : Mail : DNS : SSH : CPU Instruction Sets : SPARC systems 1987-2006 : Norton Commander : Norton Utilities : Norton Ghost : Frontpage history : Malware Defense History : GNU Screen : OSS early history

Classic books:

The Peter Principle : Parkinson Law : 1984 : The Mythical Man-Month :  How to Solve It by George Polya : The Art of Computer Programming : The Elements of Programming Style : The Unix Hater’s Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite

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The Last but not Least Technology is dominated by two types of people: those who understand what they do not manage and those who manage what they do not understand ~Archibald Putt. Ph.D

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Last modified: September 06, 2020